Assembly Control Pseudo-Instructions Assembly control pseudo-instructions are used to control the execution flow of the assembly program. Commonly used assembly control pseudo-instructions include the...
As the title says, at first I suspected that the communication line was not connected properly, but after changing the line, the problem still exists and the handshake protocol cannot be performed. Do...
As shown in the figure, the switching power supply made of DPA425 has an output voltage of 28V (regulated) and 50V when no-load. When the regulated voltage is connected to a load of 500Ω, the voltage ...
As the title says, for example, if a data is sent from the host computer, how does the program handle it? It seems that the routine uses systick interrupt and Ethernet hardware interrupt to handle it,...
[size=9pt]I. Portable Coding 1. Use only IEEE standard types (VHDL): (1) Use STD_LOGIC type instead of STD_ULOGIC type; (2) Do not create too many subtypes in the design; (3) Do not use BIT and BIT_VE...
[size=4]When repairing circuits, it is often necessary to remove integrated circuits from printed circuit boards. Since integrated circuits have many and dense pins, it is difficult to remove them, an...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]